To be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others.
There is no such thing as society: there are individual men and women, and there are families.
当我们理解基于知识的系统时,情况将与以前一样-除了我们的指尖会被选中。
合理安排时间就是节约时间。